Euryarchaeota

Methanobacteriales

• Methanobacterium formicium
• Methanobacterium thermoautotrophicum A1
• Methanobacterium thermoautotrophicum A2
• Methanobacterium thermoautotrophicum B
• Methanobacterium thermoautotrophicum marburg
• Methanobacterium thermoformiciums
• Methanobrevibacter ruminantium